CaratHunter
Plans
Heart|Lab Grown|IGI

1.00ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816611180

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816611180

Diamond specifications and retailer prices

From $482 SGD
$377 USD
As of November 1, 2026
Save $2,485 SGD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,967 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816611180 or 816611180. Listed at 18 retailers as of November 1, 2026, with prices from $482 to $2,967, a $2,485 spread on the same certified stone. Brilliant Earth lists it at $2,967. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816611180
Dimensions6.77 × 6.19 × 3.96 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.77 mm6.19 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816611180
Side View
Table 59.0%Crown 34.5°Girdle: STK-VTKPavilion 38.8°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,967 SGD|Low: $482 SGD|High: $3,364 SGD|Avg: $1,396 SGD|-11.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 4$482 SGD
Retailer 8$729 SGD
Retailer 11$752 SGD
Retailer 13$752 SGD
Retailer 7$863 SGD
Retailer 6$921 SGD
Retailer 2$958 SGD
Retailer 3$1,212 SGD
Retailer 9$1,312 SGD
Retailer 5$1,773 SGD
Retailer 12$2,085 SGD
Retailer 10$2,152 SGD
Brilliant Earth$2,967 SGD

34 data points across 13 retailers

18 retailers$482 SGD to $2,967 SGD

A
Cheapest Retailer
-
$482 SGD
$377 USD
Final sale: no returns
Retailer 2
-
$512 SGD
$400 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$573 SGD
$448 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$634 SGD
$496 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$634 SGD
$496 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$729 SGD
$570 USD
View
B+
Retailer 7
-
$752 SGD
$588 USD
View
B+
Retailer 8
-
$752 SGD
$588 USD
View
B+
Retailer 9
-
$863 SGD
€643 EUR
View
B+
Retailer 10
-
$921 SGD
ZAR 11,637 ZAR
View
B+
Retailer 11
-
$958 SGD
£590 GBP
View
B+
Retailer 12
-
$1,212 SGD
$948 USD
View
B+
Retailer 13
-
$1,312 SGD
$1,026 USD
View
B
Retailer 14
-
$1,773 SGD
$1,386 USD
View
Retailer 15
-
$2,040 SGD
$1,595 USD
View
Price last confirmed 33 days ago
B
Retailer 16
-
$2,085 SGD
$1,630 USD
View
B
Retailer 17
-
$2,152 SGD
£1,325 GBP
View
Most Expensive
B
Brilliant Earth
21018689A · Nov 2
$2,967 SGD
$2,320 USD
View
17 more retailers have this diamond
Prices start from $482 SGDSave up to $2,485 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Heart
$482 SGD